Home / 756,294.54-1,043,637.27-416,762.76

Finding the Fourth Proportional to 756,294.54, 1,043,637.27 and 416,762.76

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Solution

The fourth proportional to 756,294.54, 1,043,637.27 and 416,762.76 is: 575,105.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,294.54 : 1,043,637.27 = 416,762.76 : x
  2. Step 2: Convert to fraction form
    756,294.54/1,043,637.27 = 416,762.76/x
  3. Step 3: Cross multiply
    756,294.54x = 1,043,637.27 × 416,762.76
  4. Step 4: Simplify right side
    756,294.54x = 434,949,149,084.07
  5. Step 5: Solve for x
    x = 434,949,149,084.07/756,294.54
  6. Step 6: Final answer
    x = 575,105.50

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.